<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<h1 id="h1"></h1>
		<div class="uniapp">
			<div>123</div>
			<div>123</div>
			<div>123</div>
			<div>123</div>
			<div>123</div>
		</div>
	</body>
	<script>
        var h1 = document.getElementById("h1")
		window.addEventListener('message',function(e){
            h1.innerHTML = e.data
		    console.log(e.data);
		},false);
		var area = "MEIE123"
		var uniapp = document.querySelectorAll(".uniapp div")
		console.log(uniapp[0])
		var uniapps = uniapp.every(function(item){
			 area.includes(item.innerHTML)
		})
		console.log(uniapps)
	</script>
</html>

